Articles Main Index
Our articles contain background information on valve technology, historical milestones and applications.
Last updated 28 April 2009
Section Index
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Links to All Classified Indexes Another way to locate all indexes Mullard Circuits for Audio Amplifiers Designs from Mullard's Valve application lab. Valve Adverts An archive of historical valve adverts. Valve Technology A practical series of artilces published in the Maplin Magazine in 1993 Additional Information Short Technical Features Some Important British Valves Keith Thrower's selection of landmark developments Manufacturers of Valves. Basic details of the main companies References. Data Sources used in the Museum |
Audio Amplifier Designs
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High Quality Audio Amplification. A chapter from Mullard circuits for audio amplifiers A Low Cost Valve Amplifier. A design from 1969 published in Practical Wireless The Mullard 3-3 Audio Amplifier. The original design The Mullard 5-10 Audio Amplifier. The original design The Mullard 5-20 Audio Amplifier. The original design The Mullard Stereophonic Pre-amplifier. The original design |
General Articles
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1934 - Frequency Changing From the Mullard 1934-35 Valve catalogue 1934 - Mullard 2 Volt Battery Valves From the Mullard 1934-35 Valve catalogue 1934 - Mullard AC Mains Valves From the Mullard 1934-35 Valve catalogue 1934 - Mullard Universal Valves (AC/DC) From the Mullard 1934-35 Valve catalogue Basic Introduction to the Valve From a beginners series in 1966 Basic Technical Aspects of Valves How a valve works The Beam Tetrode. Re-published from The BVWS Buletin Vol 33 No. 2. The Dawn of Broadcasting in the UK The earliest history of Radio Broadcasting Electron Multipliers An avalanche of electrons The Evolution of Our Photographs See how digital photography compares to film The First Airborne Radar. From a roomfull to a doorknob The First All Valve Computer. The Colossus rebuild at Bletchley Park The First Kurhaus Radio-Concerts. Part of the history of Dutch broadcasting The History of the UK Valve An excellent book - a `must have' How To Build a Two Valve Set A practical project from cigarette cards in 1929 How To Make a Valve Amplifier A practical project from cigarette cards in 1924 How To Make Your Own Wireless A practical project from cigarette cards in 1924 Marconi the Pioneer Brief account of the early spark gap experiments Metal Coated Valves Taken from Popular Wireless November 14, 1931. Metals used in Valve Manufacture Taken from Vacuum Tubes by K Spangenberg (1948) {1001}. The Origin of the Valve. A few words from the inventor. The Osram Miniature Valve Story. An extract from an Osram data book. Osram Valves. The Early Days Pioneer. A short biography of Sir John Ambrose Fleming. The PL36 in Pictures. We dissect a television line output valve Sealing of Glass to Other Materials. Taken from Vacuum Tubes by K Spangenberg (1948) {1001}. Sinclair Launches Mini TV The 1983 small flat screen television The Story of the Valve This makes a perfect introduction to the valve and its history Travelling Wave Tube Amplifiers Theory and practice of these high gain microwave amplifiers Valves for Single Sideband Reducing ageing in balanced modulators |
Valve Articles
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An Acorn Valve Datasheet From a valve packed in 1936 A Classic Unmasked The inside of an EL37 output pentode EE50 Operation A secondary emission pentode explained. The EM34 in Pictures A range of implementations for this tuning indicator The Famous EF50 Valve of WW2. How Television helped the seeing eye of RADAR The French 'R' Valve. The origins of the famous R Type The Making of the EF80. Mullard produced a boxed set of components and a film Metal Striptease! We undress an American 6J5 The Metal Valve A contemporary account of the Catkin valve. The New EL34 Audio Pentode. The original press release details The Pentode. A 1933 article by Stanley Mullard. The Round Valves. A brief history of Captain Round's valves. The R4, R4A, R4B and R4C. A specialist WWI valve series for heterodyne receivers. Valves and Their Habits. An article from 1965 on valve operating behaviour. |